Wood Engraving High Speed

Wood Engraving $71.7 High Quality Content by WIKIPEDIA articles Wood engraving is a relief printing technique, where the end grain of wood is used as a medium for engraving, thus differing from the older technique of woodcut, where the softer side grain is used.The technique of wood engraving developed at the end of the 18th century and the beginning of the 19th century, with the works of Thomas Bewick. Bewick generally made his engraving in harder woods than normally used, and would engrave the end of a block instead of the side. Finding a knife not suitable for working against the grain in harder woods, Bewick used the engraving tool the burin, which has a Vshaped cutting tip. Author: Surhone, Lambert M./ Tennoe, Mariam T./ Henssonow, Susan F. Binding Type: Paperback Number of Pages: 76 Publication Date: 2010/09/21 Language: English Dimensions: 6.00 x 9.02 x 0.18 inches

An Engraving $79.99 An Engraving Premium Photographic Print by . Product size approximately 12 x 16 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

Engraving of Cranston's Wood Grass Mowing Machine of 1862 $39.99 Engraving of Cranston's Wood Grass Mowing Machine of 1862 Giclee Print by . Product size approximately 8 x 24 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

Engraving on Precious Metals $40.69 Engraving on Precious Metals is for professionals and others who wish to learn hand engraving as a hobby or trade, and reveals many previously undisclosed practices of the commercial engraver which help to make his skill quite astonishing. All aspects of the craft are covered exhaustively, including the relatively modern innovation of the high-class machine engraver. Illustrated throughout with over 250 drawings, the book gives practical hints for use in the workshop, while artistic matters are covered extensively in chapters on lettering design and layout, monograms, nameplates and ornamentation. A basic knowledge of ancillary crafts can be found in the sections on piercing, polishing, soldering and inlaying, and the use of unusual materials such as ivory, wood, or plastic is also discussed.

Railroad Building on the Great Plains, Wood Engraving, by Alfred R. Waud, 1875 $19.99 Railroad Building on the Great Plains, Wood Engraving, by Alfred R. Waud, 1875 Premium Poster by . Product size approximately 12 x 16 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

Engraving Block Engraving Block $549.99 Precision stable work-holder for all engraving. The fully adjustable pivot drag with radial and thrust needle bearings that use the entire mass of the block to absorb any shock and force. Heat-treated blued jaws and two adapter plates (one fixed and one pivot) to take standard engraving block attachments. The ball and crown are hard chrome plated. Furnished with rubber holding ring and attachments. Mfg: Grs SPECS: Steel. Weighs 28½ lbs. (12.9kg) Spherical diameter 5¾" (14.6cm) height 7¼" (18.4cm). Jaws - 3" (7.6cm) wide 1¾" (4.4cm) high 3½" (9cm) opening.

Tulipa, Engraving $34.99 Tulipa, Engraving Giclee Print by Basil Besler. Product size approximately 9 x 12 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

Engraving of Apple $49.99 Engraving of Apple Giclee Print by . Product size approximately 18 x 24 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

An Engraving of a Kangaroo $49.99 An Engraving of a Kangaroo Giclee Print by Brittan . Product size approximately 18 x 24 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

The Engraving Amateur $99.99 The Engraving Amateur Giclee Print by Lobel . Product size approximately 28 x 36 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

Engraving Glassware $49.99 Engraving Glassware Giclee Print by . Product size approximately 18 x 24 inches. Available at Art.com. Embrace your Space - your source for high quality fine art posters and prints.

Laser Engraving $71.7 Laser engraving is the practice of using lasers to engrave or mark an object. The technique can be very technical and complex, and often a computer system is used to drive the movements of the laser head. Despite this complexity, very precise and clean engravings can be achieved at a high rate. The technique does not involve tool bits which contact the engraving surface and wear out. This is considered an advantage over alternative engraving technologies where bit heads have to be replaced regularly. The impact of laser engraving has been more pronounced for speciallydesigned laserable materials. These include polymer and novel metal alloys Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 84 Publication Date: 2010/04/24 Language: English Dimensions: 5.98 x 9.01 x 0.20 inches

Penn International V Two Speed Series Conventional 16vs Color + Engraving Reel $649 Penn International V Two Speed Series Conventional 16vs Color + Engraving Reel . Penn International Two Speed Series Reels with full Metal Body - one-piece machined aluminum framed and side-plates for the ultimate in gear alignment. Quick-Shift 2-speed retrieval system easily shifts into high or low gear. Push to turn preset knob keeps the drag where it needs to be. Ratcheted lever prevents "drag creep" caused by hours of trolling and vibrations. Dura drag washers virtually eliminate hestitation, even under extreme drag settings. Braid-ready to handle the strain that braided lines put on a reel. Stainless steel gearing systemFour ball bearings

Penn International V Two Speed Series Conventional 80vsw Engraving, 950yds, 80lb., 40 Max Drag, 111oz. $899 Penn International V Two Speed Series Conventional 80vsw Engraving, 950yds, 80lb., 40 Max Drag, 111oz. . Penn International Two Speed Series Reels with full Metal Body - one-piece machined aluminum framed and side-plates for the ultimate in gear alignment. Quick-Shift 2-speed retrieval system easily shifts into high or low gear. Push to turn preset knob keeps the drag where it needs to be. Ratcheted lever prevents "drag creep" caused by hours of trolling and vibrations. Dura drag washers virtually eliminate hestitation, even under extreme drag settings. Braid-ready to handle the strain that braided lines put on a reel. Stainless steel gearing systemFour ball bearings

Penn International V Two Speed Series Conventional 80vsw Color + Engraving, 950yds, 80lb., 40 Max Drag, 111oz. $949 Penn International V Two Speed Series Conventional 80vsw Color + Engraving, 950yds, 80lb., 40 Max Drag, 111oz. . Penn International Two Speed Series Reels with full Metal Body - one-piece machined aluminum framed and side-plates for the ultimate in gear alignment. Quick-Shift 2-speed retrieval system easily shifts into high or low gear. Push to turn preset knob keeps the drag where it needs to be. Ratcheted lever prevents "drag creep" caused by hours of trolling and vibrations. Dura drag washers virtually eliminate hestitation, even under extreme drag settings. Braid-ready to handle the strain that braided lines put on a reel. Stainless steel gearing systemFour ball bearings

Penn International V Two Speed Series Conventional 30vsw Engraving, 900yds, 30lb., 23 Max Drag, 58oz. $649 Penn International V Two Speed Series Conventional 30vsw Engraving, 900yds, 30lb., 23 Max Drag, 58oz. . Penn International Two Speed Series Reels with full Metal Body - one-piece machined aluminum framed and side-plates for the ultimate in gear alignment. Quick-Shift 2-speed retrieval system easily shifts into high or low gear. Push to turn preset knob keeps the drag where it needs to be. Ratcheted lever prevents "drag creep" caused by hours of trolling and vibrations. Dura drag washers virtually eliminate hestitation, even under extreme drag settings. Braid-ready to handle the strain that braided lines put on a reel. Stainless steel gearing systemFour ball bearings

Penn International V Two Speed Series Conventional 50vsw Engraving, 850yds, 50lb., 28 Max Drag, 75oz. $699 Penn International V Two Speed Series Conventional 50vsw Engraving, 850yds, 50lb., 28 Max Drag, 75oz. . Penn International Two Speed Series Reels with full Metal Body - one-piece machined aluminum framed and side-plates for the ultimate in gear alignment. Quick-Shift 2-speed retrieval system easily shifts into high or low gear. Push to turn preset knob keeps the drag where it needs to be. Ratcheted lever prevents "drag creep" caused by hours of trolling and vibrations. Dura drag washers virtually eliminate hestitation, even under extreme drag settings. Braid-ready to handle the strain that braided lines put on a reel. Stainless steel gearing systemFour ball bearings

	Pro-Quality 20-Piece Diamond-Point Bit Set for Rotary Tool - Glass, Stone, Ceramic List Price: $7.52
	Description Professional Quality, 1/8 in. Shank, 180 Grit. Includes 20 assorted shapes covered with diamond particles. All bits have 1/8 in. shanks and come in convienient plastic holder. Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing...

Dremel 689-01 11-Piece Rotary Tool Carving and Engraving Kit List Price: $20.17

Description Dremel 689-01 Carving/Engraving Kit (11 Pcs.) Dremel 689-01 Carving/Engraving Kit (11 Pcs.) Features: Mini Accessory Case 11 Assorted Accessories 2 Diamond Points Included Includes: - 1 - 105 1/32" Engraving Cutter - 1 - 702 1/8" Grinding Stone - 1 - 481 Collet (3/32") bit - 1 - 106 1/16" Engraving Cutter - 1 - 107 3/32" Engraving Cutter - 1 - 108 1/32" Engraving Cutter - 1 - 103 5/64" Diamond Wheel Point - 1 - 134 5/64" Diamond Carving Bit - 1 - 142 9/32" Grinding Stone - 1 - 922 3/16" Grinding Stone - 1 - 322 1/8" Grinding Stone

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	Gunstock Carving: A Step-By-Step Guide to Engraving Rifles and Shotguns List Price: $19.95

Engraving in wood 2.5D

Laser Choices-zero in on your Laser Specifications Before Buying

It will save a lot of time and effort if you determine the type of laser you need for your application before shopping around. This article will lead you through the “mysteries” of lasers to your final selection. We will not go through the technical theories of how a laser works, but what lasers are used for what applications. We will determine the proper choices for Marking, Engraving, Cutting, Welding, and Scribing.

There are many types of lasers, each having different characteristics and differing interactions with various materials. We need to know the lasers output wavelength, average power, peak power, pulse rate, beam quality, and beam size. It will also help us to understand the conversion efficiency and consumable requirements of a particular laser to evaluate the operating cost.

The following are the various types of lasers we will be considering for the applications I mentioned above:

The CO2 Laser, with a wavelength of 10,600 nm (nanometers), reacts best with organic materials, wood, plastic, paper, glass and fabrics but can be used for metal applications at the higher power levels. With output power levels from 10-Watts to 25-Kilowatts, these lasers can be used for marking, engraving, cutting, welding and scribing. Metals are very reflective to the wavelength of CO2 Lasers and they do not work well for marking metals due to the lower power levels required for marking. CO2 Lasers can operate in the continuous wave (CW) mode or a pulsed mode. However, the peak power in the pulse mode generally never exceeds twice the CW power.

The latest CO2 lasers, 10-watts to 500-watts are generally RF excited diffusion cooled and sealed units. 10-100-watt CO2 lasers are air cooled and water cooled at power levels above 100-watts. With the water cooling requirement, a refrigerated water chiller is generally necessary. A CO2 laser is approximately 10% efficient, so 90% of the input power is dissipated in heat that needs to be removed from the laser by either air or water cooling, thus further decreasing the wall plug efficiency. At power levels over 500-watts, CO2 lasers need to be provided with a laser make-up gas (the lasing medium) to maintain the output power level of the laser. This make-up gas is a consumable and adds to the operating cost. The sealed lower power CO2 lasers generally can last 3 to 5 years before needing to be recharged with gas.

The “Q” Switched Nd:YAG or Vanadate Laser with a wavelength of 1,060 nm is best used for marking and scribing applications. These lasers react well with metals, ceramics, and plastics for marking applications. The average output power levels of these lasers generally range from 5-watts to 100-watts, and the newer units are diode pumped (excited) rather than flash lamp pumped. The unique feature of this Nd:YAG laser is the “Q” Switch which turns the laser beam on and off at frequencies from 1 kHz to 50 kHz.

On the off cycle, the diodes continue to pump energy into the laser crystal so that when the beam is turned on again it releases a very high peak power pulse in the multi-kilowatt range. This high peak power pulse quickly breaks down the surface of the material being marked and virtually vaporizes it. These higher power pulses also help in producing a contrasting color when marking plastics.

The Diode Pumped Nd:YAG lasers are generally water cooled via small refrigerated chillers to maintain laser output power stability and cool the diodes and laser rod. The solid state Nd:YAG or Vanadate laser rod (crystal) is the lasing medium and will last indefinitely if cared for properly. The laser pumping diodes will generally last from 10,000 to 20,000 hours before replacement is required. The most frequent maintenance required is a change of water, water filter, and anti-algae compound in the closed loop refrigerated chiller’s water circuit every 3 months. Laser optics will also have to be cleaned periodically.

The “Q” Switched Nd:YAG and Vanadate lasers can also be frequency doubled to 532 nm (green), frequency tripled to 355 nm (ultraviolet), and frequency quadrupled to 266 nm (deep ultraviolet). The shorter the wavelength the smaller the spot size that the laser beam can be focused to. However, for each conversion to a shorter wavelength, the laser power is significantly decreased and the laser price tag is significantly increased. These shorter wavelengths are generally needed when processing micro-electronic devices that require the finest detail or resolution that can be achieved.

The Pulsed Nd:YAG Laser with a wavelength of 1,060 nm is suited to intricate metal welding, cutting, and drilling applications. The average power level of these lasers range from 15-watts to 600-watts and are flash lamp pumped. The pulse rates are generally 1 to 25 pulses per second for lasers with power levels up to 50-watts and 1 to 1000 pulses per second for the highest power lasers. The main feature of the Pulsed Nd:YAG laser is its high energy per pulse which can be up to 80 joules for the highest power laser. This laser functions by using overlapping precisely controlled laser pulses to control the progression of the cut or weld, and in the case of drilling several pulses can be delivered in the same location. For cutting and drilling applications, a high pressure small orifice coaxial gas assist nozzle is used to help remove the molten material from the cut path or drill hole. In the case of welding, a larger orifice lower pressure coaxial nozzle is used to deliver a blanket of inert gas cover to the molten weld area to prevent oxidation.

Because the Pulsed Nd:YAG laser uses a broad spectrum flash lamp for laser pumping (excitation), it is fairly inefficient at converting the electrical input power to laser power. It has an efficiency of approximately 3%. These lasers are water cooled at the low end via air/water heat exchangers and at the higher power levels by refrigerated chillers. The flash lamps require changing every 500 to 1000 hours of operation. Higher maintenance costs are associated with changing flash lamps, aligning and cleaning optics, and maintaining the water purity in the closed loop chiller systems. All of this said, it is still the only laser that can be used for certain applications.

The Fiber Laser, with a wavelength of 1,060 nm, is the newest laser on the block. It is diode pumped and has power output levels from 5-watts to 10 plus kilowatts. From 5 to 20-watts, it can be “Q” switched for marking and scribing applications including plastics. At the higher power CW mode of operation, it can be used very effectively for metal cutting and welding applications. The beam quality of the Fiber laser is generally better than other 1,060 nm lasers so it will process parts faster for any given power level. The laser beam is delivered to the work piece via small diameter fiber cable with a focusing head so it is very flexible when trying to fit it into tight quarters or moving the laser beam at high speeds on an X-Y-Z Axis Gantry System. One laser can also share its laser beam with several workstations by switching the beam from one fiber optic cable to another.

The Fiber laser has a wall plug efficiency of nearly 30%. This means it will take the least amount of electrical power to operate for any given power level. Pump diode lifetimes in excess of 100,000 hours are projected. This is truly a maintenance free laser. Fiber lasers from 5-watts to 100-watts are air cooled and over 100-watts are water cooled. Because of the higher efficiency of the fiber laser, the refrigerated chiller size can be smaller than other types of lasers operating at similar power levels.

Cutting, Welding and Marking capabilities of the several laser types mentioned above:

1. Low power CO2 lasers are used for marking and engraving wood, plastic, paper, fabric, and other organic materials. These lasers can also cut paper and wood up to 1/8” thick.

2. High power CO2 lasers are used to cut wood up to 2” thick and steel up to 5/8” thick. They can also weld steel up to 1/2” thick.

3. “Q” switched Nd:YAG and Vanadate lasers are used for marking and scribing metals, plastics, ceramics and other dense materials.

4. Pulsed Nd:YAG lasers are used for intricate cutting and welding applications and also used for hermetically sealing small electronic device enclosures and medical implant devices. They can also be used for the intricate cutting of blood vessel stents. Other higher power applications include the drilling of cooling holes in high temperature turbine engine blades and vanes.

5. Low power “Q” Switched Fiber lasers are used for marking metals and plastics. They can also be used to scribe solar cells and ceramic materials.

6. High power Fiber lasers are used to cut and weld metals. They can cut metals up to 1” thick and weld metals up to 5/8” thick.

There are many other applications that these lasers can be used for other than the ones listed above. You should now be prepared to approach either a laser manufacturer or laser systems manufacturer that produces the laser type you feel would be required for your application. Most all manufacturers will process evaluation samples at no charge to verify the results you are looking for. Other information that they will need is your desired production rate, your part handling preferences, and automation required. Information about various laser systems and laser component manufacturers can be located at http://www.allthelasers.com .

Visit Laser Marking or call (386) 232-4186© 2006 by allthelasers.com. Free for unlimited distribution as long as this copyright notice and link to web site are in place.

About the Author

Robert Holland is the Technical Advisor for allthelasers .com. Allthelasers.com is a depository for information and links to help users find the appropriate laser systems and component vendors to fill their laser requirements. Mr. Holland has held various laser related management, engineering, and sales positions for laser and laser systems manufacturers since entering the industry in 1972. He has a thorough knowledge of industrial high production laser systems and their applications.